Home / 2,947.46-4,420.51-1,303.11

Finding the Fourth Proportional to 2,947.46, 4,420.51 and 1,303.11

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Solution

The fourth proportional to 2,947.46, 4,420.51 and 1,303.11 is: 1,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.46 : 4,420.51 = 1,303.11 : x
  2. Step 2: Convert to fraction form
    2,947.46/4,420.51 = 1,303.11/x
  3. Step 3: Cross multiply
    2,947.46x = 4,420.51 × 1,303.11
  4. Step 4: Simplify right side
    2,947.46x = 5,760,410.79
  5. Step 5: Solve for x
    x = 5,760,410.79/2,947.46
  6. Step 6: Final answer
    x = 1,954.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.